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authorAndrew Lunn <andrew@lunn.ch>2016-08-22 16:01:03 +0200
committerDavid S. Miller <davem@davemloft.net>2016-08-22 21:08:08 -0700
commit930188ceca5fb2f755d4b900a92a6c295f43a434 (patch)
treee775046e2013ff3bb4c2f850018997d76def86fd
parent2bbb33be037361882527c9c762cb9fc928ab0ff7 (diff)
dsa: mv88e6xxx: Delete ppu timer when removing module
The PPU method of accessing PHYs makes use of a timer. Make sure this timer is deleted before unloading the driver. Reported-by: Jamie Lentin <jm@lentin.co.uk> Signed-off-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/dsa/mv88e6xxx/chip.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index b315769aa5be..1d5f9576e62a 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -486,6 +486,11 @@ static void mv88e6xxx_ppu_state_init(struct mv88e6xxx_chip *chip)
chip->ppu_timer.function = mv88e6xxx_ppu_reenable_timer;
}
+static void mv88e6xxx_ppu_state_destroy(struct mv88e6xxx_chip *chip)
+{
+ del_timer_sync(&chip->ppu_timer);
+}
+
static int mv88e6xxx_phy_ppu_read(struct mv88e6xxx_chip *chip, int addr,
int reg, u16 *val)
{
@@ -3892,6 +3897,13 @@ static void mv88e6xxx_phy_init(struct mv88e6xxx_chip *chip)
}
}
+static void mv88e6xxx_phy_destroy(struct mv88e6xxx_chip *chip)
+{
+ if (mv88e6xxx_has(chip, MV88E6XXX_FLAG_PPU)) {
+ mv88e6xxx_ppu_state_destroy(chip);
+ }
+}
+
static int mv88e6xxx_smi_init(struct mv88e6xxx_chip *chip,
struct mii_bus *bus, int sw_addr)
{
@@ -4080,6 +4092,7 @@ static void mv88e6xxx_remove(struct mdio_device *mdiodev)
struct dsa_switch *ds = dev_get_drvdata(&mdiodev->dev);
struct mv88e6xxx_chip *chip = ds_to_priv(ds);
+ mv88e6xxx_phy_destroy(chip);
mv88e6xxx_unregister_switch(chip);
mv88e6xxx_mdio_unregister(chip);
}